Finding the Fourth Proportional to 555,683.08, 766,841.70 and 301,040.68
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Solution
The fourth proportional to 555,683.08, 766,841.70 and 301,040.68 is: 415,435.62
Step by Step Solution
- Step 1: Write the proportion equation
555,683.08 : 766,841.70 = 301,040.68 : x - Step 2: Convert to fraction form
555,683.08/766,841.70 = 301,040.68/x - Step 3: Cross multiply
555,683.08x = 766,841.70 × 301,040.68 - Step 4: Simplify right side
555,683.08x = 230,850,546,820.36 - Step 5: Solve for x
x = 230,850,546,820.36/555,683.08 - Step 6: Final answer
x = 415,435.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.